Self-defense device



FIG. 1 depicts a front, top, and side perspective view of a self-defense device;

FIG. 2 depicts a rear, top, and side perspective view thereof;

FIG. 3 depicts a side elevation view thereof;

FIG. 4 depicts an opposing side elevation view thereof;

FIG. 5 depicts a top plan view thereof;

FIG. 6 depicts a bottom plan view thereof;

FIG. 7 depicts a rear elevation view thereof; and,

FIG. 8 depicts a front elevation view thereof.

The broken lines depict environmental structure and are for illustrative purposes only and form no part of the claimed design. 

CLAIM I claim the ornamental design for a self-defense device, as shown and described. 